I’m sure your suggestions will the problem.A. contribute to solvingB. contribute to solve

问题补充：

I’m sure your suggestions will the problem.

A. contribute to solving

B. contribute to solve

C. be contributed to solve

D. be contributed to solving

答案：

(答案→)A. contribute to solving

B. contribute to solve

C. be contributed to solve

D. be contributed to solving

解析： 考查语态。主语your suggestions和动词contribute是主谓关系，所以要用主动语态，排除C,D；contribute to，有助于，to是介词，后面要用doing形式，所以选A。